Beschrijving:The Antonov was used to spray crops in the Yaroslav area. The airplane had already carried out 15 flights that day when it was serviced. Ground personnel added 1200 kgs of liquid toxic chemicals for the next flight. Takeoff was commenced with flaps at 20 degrees. The aircraft took off at a speed of 90-100 km/hbut could not gain height. The airplane contacted an embankment located 572 meters past the runway and crashed. It appeared that the fuel filter was blocked, most probably by the chemical fertilizers, which fell in the fuel during the servicing of the aircraft. It was also established that a certain kind of oil was used in the engine's oil system which was not intended for the PZL Kalisz (Shvetsov) ASz-62IR engine.

This aviation incident occurred due to a combination of the following unfavorable factors: - the failure of the engine to produce takeoff power because of a disturbance of the supply of fuel into the engine because of the blocking of the carburetor filter AKM-62IRA, probably, by the chemical fertilizers, which fell in the fuel during the servicing of the aircraft. - failure of the flight crew to use the entire length of the runway (850 m) for the takeoff, which did not allow the crew to carry out a safe rejected takeoff when the airspeed failed to increase after takeoff. (translated from Russian)

This information is not presented as the Flight Safety Foundation or the Aviation Safety Networkĺs opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.